Get Nitrogen Institute
- A nonprofit organization formed to provide consumers, over-the-road truckers, and fleet managers about the benefits of using nitrogen in their vehicles' tires.
- http://www.getnitrogen.org/

40mpg.org
- Campaigning to make 40 miles per gallon the standard for all automobiles in the United States.
- http://www.40mpg.org

Tips to Save Gas and Improve Mileage
- Fact sheet from the Environmental Protection Agency. [PDF format]
- http://www.epa.gov/otaq/consumer/17-tips.pdf

LNG&CNG
- A site dedicated to liquefied natural gas and compressed natural gas. Highlightes the economic and environmental benefits of using natural gas as an alternative to diesel in the transport sector.
- http://www.chive-ltd.co.uk/

Drive 55 Conservation Project
- Aims to reduce petroleum usage by 20% to 50% by convincing drivers to slow down and obey existing speed limits, never driving over 55 MPH (88km).
- http://www.drive55.org

Driving Up the Heat: SUVs and Global Warming
- Report from The Sierra Club about pollution, safety, and energy security.
- http://www.sierraclub.org/globalwarming/suvreport/

Green Guide to Cars and Trucks
- Ranks cars and trucks according to environmental friendliness. Using this consumer guide, buyers can compare cars, vans, pickups, and sport utility vehicles by their environmental impacts, including air pollution, global warming, and fuel efficiency.
- http://www.greenercars.com/

Park Slope Public Works
- SUV ticketing campaign in Brooklyn, New York, USA. Includes press release, forum, and tickets for download.
- http://www.stayfreemagazine.org/suv/

The Detroit Project
- Sponsored by the Americans for Fuel Efficient Cars to fund ads linking SUVs to national security. Includes video clips, how to get involved, and resources.
- http://www.thedetroitproject.com/

What Would Jesus Drive?
- Discusses the environmental effects of transportation choices from a Christian moral perspective. Includes discussion forum, news articles, and resource papers. A project of the Evangelical Environmental Network.
- http://www.whatwouldjesusdrive.org/

Green Car
- A guide to cleaner motor vehicle production, use, and disposal from the Environmental Defense Fund. Features an overview of the assembly process and life cycle of autos. Links to related EDF documents.
- http://www.environmentaldefense.org/article.cfm?ContentID=928

CAFE Standards
- An overview of fuel economy (CAFE) standards for automobiles and light trucks, their effectiveness, and related legislative history.
- http://www.policyalmanac.org/environment/archive/crs_cafe_standards.shtml

AllPar Auto Editorials
- Essays on topics such as minitrucks and SUVs and other issues relevant to drivers who do not believe our natural resources are endless.
- http://www.allpar.com/ed/

Heavy-Duty Highway Engines
- US federal and California truck and bus emissions standards. Consumer information, emission regulations.
- http://www.epa.gov/OMSWWW/hd-hwy.htm

Auto and Truck Fuel Economy
- From the US Department of Energy and the Environmental Protection Agency -- Gas mileage estimates for all passenger cars and light trucks sold in the U.S., including greenhouse gas emissions estimates.
- http://www.fueleconomy.gov